2149266 has 32 divisors (see below), whose sum is σ = 4987008. Its totient is φ = 604800.

The previous prime is 2149249. The next prime is 2149283. The reversal of 2149266 is 6629412.

It is an interprime number because it is at equal distance from previous prime (2149249) and next prime (2149283).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2716 + ... + 3416.

It is an arithmetic number, because the mean of its divisors is an integer number (155844).

2^2149266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2149266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2493504).

2149266 is an abundant number, since it is smaller than the sum of its proper divisors (2837742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2149266 is a wasteful number, since it uses less digits than its factorization.

2149266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786.

The product of its digits is 5184, while the sum is 30.

The square root of 2149266 is about 1466.0375165732. The cubic root of 2149266 is about 129.0515988522.

It can be divided in two parts, 2149 and 266, that added together give a triangular number (2415 = T₆₉).

The spelling of 2149266 in words is "two million, one hundred forty-nine thousand, two hundred sixty-six".